1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "net/quic/quic_alarm.h"
7 #include "base/logging.h"
11 QuicAlarm::QuicAlarm(Delegate* delegate)
12 : delegate_(delegate),
13 deadline_(QuicTime::Zero()) {
16 QuicAlarm::~QuicAlarm() {}
18 void QuicAlarm::Set(QuicTime deadline) {
20 DCHECK(deadline.IsInitialized());
25 void QuicAlarm::Cancel() {
26 deadline_ = QuicTime::Zero();
30 bool QuicAlarm::IsSet() const {
31 return deadline_.IsInitialized();
34 void QuicAlarm::Fire() {
35 if (!deadline_.IsInitialized()) {
39 deadline_ = QuicTime::Zero();
40 QuicTime deadline = delegate_->OnAlarm();
41 // delegate_->OnAlarm() might call Set(), in which case deadline_ will
42 // already contain the new value, so don't overwrite it.
43 if (!deadline_.IsInitialized() && deadline.IsInitialized()) {